1993LS/T 3501.8-1993 General Technical Conditions for Grain and Oil Processing Machinery Technical Requirements for Hydraulic Systems
1970LS 40-1982 General Technical Conditions for Grain and Oil Processing Machinery Technical Requirements for Hydraulic Systems
LS 40-1982 General Technical Conditions for Grain and Oil Processing Machinery Technical Requirements for Hydraulic Systems was changed to LS/T 3501.8-1993 General Technical Conditions for Grain and Oil Processing Machinery Technical Requirements for Hydraulic Systems.